Buddington was born November 29, 1890, in
Wilmington, Delaware, to Mary Salina Buddington (
née Wheeler) and Osmer G. Buddington. His parents' families had been in
Connecticut since the 1600s, and he was descended from men who fought for the United States in the
American Revolution. His father was a
Baptist minister who supplemented his income by farming crops and raising chickens. Arthur Buddington was educated in public schools of Wilmington, Mystic, and
Westerly, Rhode Island. In 1908 he graduated from
Westerly High School. He then matriculated at
Brown University. After an unpleasant year in the
liberal arts program, he switched to the sciences. He graduated second in his class in 1912 After graduating Buddington remained at Brown to earn a
Master of Science degree in 1913, writing a
master's thesis on
fossiliferous Carboniferous shales that had recently been discovered on
College Hill, That same year he enrolled in graduate school at
Princeton University to study under
Charles Henry Smyth, Jr., who was doing some of the first work in chemical petrology (using
chemistry to study ordinary rocks rather than minerals) in the United States. Buddington earned his
Ph.D. from Princeton in 1916. ==Career==